Trilobites, such as this Mummaspis muralensis, emerged during the Cambrian Period and went extinct more than 250 million years ago. About 513 million years ago, a creature curled up like a pill bug to ...

Fossils unearthed at a slate quarry in northern Portugal include those of the largest known trilobites, as well as immense assemblages — some a thousand strong — that suggest the creatures exhibited ...

On the way up to Michigan for my mothers wedding, we stopped in Georgia to hunt for Trilobite fossils! I made a mistake with ...

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

Cannibalism is common among the millions of modern arthropod species. A praying mantis consumes her mate after copulation, termites suck blood out of wounded peers, and mosquitoes snack on larvae. But ...

Trilobites are one of the most common creatures found in the fossil record, but now some particularly well-preserved specimens have revealed some intriguing new details. It turns out that trilobites ...

Exceptionally preserved trilobite fossils from China, dating back to more than 500 million years ago, have revealed new insights into the extinct marine animal's digestive system. The new study shows ...

Waiting in line may feel like one of the more primitive aspects of modern life; think of all those people lined up for the latest iPhone, concert tickets or a trendy pastry. But following the leader ...

Tens of thousands of fossils later, we've found a trilobite with a full stomach. Yet it seems to be from a species that had a bizarre feeding pattern, and this particular individual may have been ...

The “king” of the trilobites was snacking on whatever it could eat some 514 million years ago in the Cambrian era, even shelled creatures of its own species. By Rebecca Dzombak Cannibalism is common ...